84431413 has 8 divisors (see below), whose sum is σ = 96111936. Its totient is φ = 73418400.

The previous prime is 84431407. The next prime is 84431467. The reversal of 84431413 is 31413448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84431413 - 2¹³ = 84423221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84431483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166608 + ... + 167113.

It is an arithmetic number, because the mean of its divisors is an integer number (12013992).

Almost surely, 2^84431413 is an apocalyptic number.

It is an amenable number.

84431413 is a deficient number, since it is larger than the sum of its proper divisors (11680523).

84431413 is a wasteful number, since it uses less digits than its factorization.

84431413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333755.

The product of its digits is 4608, while the sum is 28.

The square root of 84431413 is about 9188.6567571109. The cubic root of 84431413 is about 438.7003886513.

The spelling of 84431413 in words is "eighty-four million, four hundred thirty-one thousand, four hundred thirteen".